Question
The ratio of two numbers is 7 : 5, and their HCF is 6. What is their LCM?
Solution
ATQ;
Let the numbers be 7x and 5x.
Since the HCF of 7x and 5x is 6, we get x = 6.
So, the numbers are 42 and 30.
Hence, LCM of 42 and 30 = 210.
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